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User Manual for National 446-TBL-10 Stereo Microscope Click to enlarge the picture
Contents of the user manual for the National 446-TBL-10 Stereo Microscope
- Product category: Microscopes National
- Brand: National
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for National Microscopes
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User manual for the National 446-TBL-10 Stereo Microscope contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any National product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official National user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a National product will considerably shorten its lifespan!
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Product description The National Optical & Scientific Instruments 446-TBL-10 Stereo Microscope is both compact and budget-friendly, making it ideal for use in the lab as well as in other locations. Two magnifications of 1x and 3x are provided by the binocular widefield 10x eyepieces - which sit on a 45° inclined head. The viewing head also rotates 360° for easy sharing with lab partners. The 446-TBL-10 features both top and bottom tungsten illumination and a 4 position light control for top, bottom, top and bottom, and off options. The lights illuminate the two 80mm frosted glass stage plates (with reversible black/white plastic contrast plate) for a clear, accurate view of specimens, while locked-on stage clips keep the specimen in place. - Optical System
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- Paired widefield 10x eyepieces, left-side diopter adjustment, interpupillary adjustment from 55mm to 75mm
- Eyepieces equipped with reticle holder/retainer to accept reticle with 23mm O.D.
- Viewing head rotates 360°, adjusts up or down on post mount to accommodate difference size specimen
- Paired objectives are parfocalled, parcentered and achromatic
- Magnification changed by rotating objective turret 90° to positive click stops
- Illumination
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- Top light (incidental) is 12V, 10 watt tungsten with adjustable beam
- Bottom light (transmitted) is 12V, 10W tungsten
- 4-position light control: top only / bottom only / top and bottom / off
- Base
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- Professional, all-metal frame
- Rack and pinion focusing with slip clutch and tension adjustment
- Includes two 80mm stage plates: frosted glass and reversible black and white plastic contrast plate
- Locked-on stage clips
In the Box National 446-TBL-10 Stereo Microscope Limited Lifetime Warranty Table of Contents
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Technical parametersNational 446TBL-10 Specs | Microscope Type | Stereoscopic | | Magnification | 1x, 3x | | Objectives | Not specified by manufacturer | | Eyepiece | Widefield 10x, 20mm | | Working Distance | 75mm | | Light Source | Top: 12V, 10W tungsten Bottom: 12V, 10W tungsten | | Overall Dimensions | Height: 12.25" (310mm) | | Weight | 5.5 lb (2.2kg) |
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